Showcase Presents : Challengers of the Unknown Volume 2

Thrill to more than 500 pages of comic action collected from Challengers of the Unknown issues #18 through 37 (covering 1961 to 1964). Along the way, the intrepid foursome faces dangers of every imaginable sort, including cosmic-powered alien beasts, doomed worlds, futuristic knights and much more. Written by France E. Herron and others, with artwork and cover by Bob Brown.